यदि तीन समुच्चयों में ठीक एक समुच्चय में (71), ठीक दो समुच्चयों में (46) और तीनों में (15) तत्व हैं, तो (n\(A\cup B\cup C\)) कितना है?

If in three sets (71) elements are in exactly one set, (46) in exactly two sets, and (15) in all three sets, what is (n\(A\cup B\cup C\))?

Explanation opens after your attempt
Correct Answer

C. (132)

Step 1

Concept

The union includes the regions of exactly one, exactly two, and all three. Hence (71+46+15=132).

Step 2

Why this answer is correct

The correct answer is C. (132). The union includes the regions of exactly one, exactly two, and all three. Hence (71+46+15=132).

Step 3

Exam Tip

संघ में ठीक एक, ठीक दो और तीनों वाले सभी भाग आते हैं। इसलिए (71+46+15=132)।

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Mathematics Answer, Explanation and Revision Hints

यदि तीन समुच्चयों में ठीक एक समुच्चय में (71), ठीक दो समुच्चयों में (46) और तीनों में (15) तत्व हैं, तो (n\(A\cup B\cup C\)) कितना है? / If in three sets (71) elements are in exactly one set, (46) in exactly two sets, and (15) in all three sets, what is (n\(A\cup B\cup C\))?

Correct Answer: C. (132). Explanation: संघ में ठीक एक, ठीक दो और तीनों वाले सभी भाग आते हैं। इसलिए (71+46+15=132)। / The union includes the regions of exactly one, exactly two, and all three. Hence (71+46+15=132).

Which concept should I revise for this Mathematics MCQ?

The union includes the regions of exactly one, exactly two, and all three. Hence (71+46+15=132).

What exam hint can help solve this Mathematics question?

संघ में ठीक एक, ठीक दो और तीनों वाले सभी भाग आते हैं। इसलिए (71+46+15=132)।